PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Ulcerative colitis is a disease of young people, usually in their 20s and 30s that causes abdominal pain and often bloody diarrhea.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ucsd.edu